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Stacked histograms presenting the distribution of Mtb1 and Mtb2 sequences and the insertion sequence IS6110 in the genomes of M. tuberculosis (H37Rv and CDC1551). C, location of IS6110 at 36-nucleotide position upstream of Rv1758 and MT1805 genes coding for cutinase; DR, location of IS6110 within direct-repeat region; T, IS6110 tandem repeats.
